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groundwater |
Also found in: Financial, Wikipedia, Hutchinson | 0.02 sec. |
groundwateror subsurface waterWater that occurs below the surface of the Earth, where it occupies spaces in soils or geologic strata. Most groundwater comes from precipitation, which gradually percolates into the Earth. Typically, 10–20% of precipitation eventually enters aquifers. Most groundwater is free of pathogenic organisms, and purification for domestic or industrial use is not necessary. Furthermore, groundwater supplies are not seriously affected by short droughts and are available in many areas that do not have dependable surface water supplies. groundwater [′grau̇nd‚wȯd·ər] (hydrology) All subsurface water, especially that part that is in the zone of saturation. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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On second reading, a complete set of 33 draft articles on the law of the non-navigational uses of international watercourses was adopted, together with a draft resolution on transboundary confined groundwater. |
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